дано
V(возд) = 500 L
---------------------
m(O2)-?
V(O2) = V(возд) * 21% / 100% = 500*21% / 100% = 105 L
M(O2) = 32g/mol
Vm = 22.4 L/mol
m(O2) = V(O2)*M(O2) / Vm = 105 * 32 / 22.4 = 150 g
ответ 150 г
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
дано
V(возд) = 500 L
---------------------
m(O2)-?
V(O2) = V(возд) * 21% / 100% = 500*21% / 100% = 105 L
M(O2) = 32g/mol
Vm = 22.4 L/mol
m(O2) = V(O2)*M(O2) / Vm = 105 * 32 / 22.4 = 150 g
ответ 150 г